PhoneInterval

class montreal_forced_aligner.db.PhoneInterval(**kwargs)

Bases: Base

Database class for storing information about aligned phone intervals

Parameters:

• id (int) – Primary key

• begin (float) – Beginning timestamp of the interval

• end (float) – Ending timestamp of the interval

• duration (float) – Calculated duration of the interval

• phone_goodness (float) – Confidence score, log-likelihood, etc for the phone interval

• phone_id (int) – Foreign key to Phone

• phone (Phone) – Phone of the interval

• utterance_id (int) – Foreign key to Utterance

• utterance (Utterance) – Utterance of the interval

• word_interval_id (int) – Foreign key to WordInterval

• word_interval (WordInterval) – Word interval that is associated with the phone interval

• workflow_id (int) – Foreign key to CorpusWorkflow

• workflow (CorpusWorkflow) – Workflow that generated the phone interval

as_ctm()

Generate a CtmInterval from the database object

Returns:

CTM interval object

Return type:

CtmInterval

classmethod from_ctm(interval, utterance, workflow_id)

Construct a PhoneInterval from a CtmInterval object

Parameters:

• interval (CtmInterval) – CtmInterval containing data for the phone interval

• utterance (Utterance) – Utterance object that the phone interval belongs to

• workflow_id (int) – Integer id for the workflow that generated the phone interval

Returns:

Phone interval object

Return type:

PhoneInterval